MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following organism causes whooping cough in humans? |
| A. | E.coli |
| B. | Bordetella pertussis |
| C. | Francisella tularensis |
| D. | F.meningosepticum |
| Answer» C. Francisella tularensis | |
| 2. |
Bacteria belonging to the genus Legionella contains which of the following amino acid? |
| A. | Lysine |
| B. | Arginine |
| C. | Glycine |
| D. | Cysteine |
| Answer» E. | |
| 3. |
Which of the following have peritrichous flagella? |
| A. | Acetobacter |
| B. | Gluconobacter |
| C. | Agrobacteria |
| D. | Rhizobium |
| Answer» B. Gluconobacter | |
| 4. |
Methylococcus and Methylomonas are all _______________ methane-oxidizers. |
| A. | aerobic |
| B. | facultative |
| C. | obligate |
| D. | anaerobic |
| Answer» D. anaerobic | |
| 5. |
Agrobacterium also fixes atmospheric nitrogen. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Pseudomonas bacteria uses which of the following as an electron acceptor for anaerobic respiration? |
| A. | Oxygen |
| B. | Nitrate |
| C. | Phosphate |
| D. | Sulphate |
| Answer» C. Phosphate | |
| 7. |
METHYLOCOCCUS_AND_METHYLOMONAS_ARE_ALL_________________METHANE-OXIDIZERS.?$ |
| A. | aerobic |
| B. | facultative |
| C. | obligate |
| D. | anaerobic |
| Answer» D. anaerobic | |
| 8. |
Bacteria belonging to the genus Legionella contains which of the following amino acid?$ |
| A. | Lysine |
| B. | Arginine |
| C. | Glycine |
| D. | Cysteine |
| Answer» E. | |
| 9. |
Which of the following have peritrichous flagella? |
| A. | Acetobacter |
| B. | Gluconobacter |
| C. | Agrobacteria |
| D. | Rhizobium |
| Answer» B. Gluconobacter | |
| 10. |
Which of the following organism causes whooping cough in humans? |
| A. | E.coli |
| B. | Bordetella pertussis |
| C. | Francisella tularensis |
| D. | F.meningosepticum |
| Answer» C. Francisella tularensis | |
| 11. |
Agrobacterium also fixes atmospheric nitrogen? |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Which of the following family of bacteria fix nitrogen under aerobic conditions? |
| A. | Pseudomonadaceae |
| B. | Azotobacteraceae |
| C. | Rhizobiaceae |
| D. | Methylcoccaceae |
| Answer» C. Rhizobiaceae | |
| 13. |
Which of the following is an important characteristic of bacteria belonging to Zoogloea? |
| A. | They are plant pathogens |
| B. | Cells are embedded in a gelatinous matrix |
| C. | Cause diseases in humans |
| D. | Useful for industrial applications |
| Answer» C. Cause diseases in humans | |
| 14. |
What is the color of the pigment xanthomonadin? |
| A. | Blue |
| B. | Yellow |
| C. | Fluorescent |
| D. | Red |
| Answer» C. Fluorescent | |
| 15. |
Which of the following are important plant pathogens? |
| A. | P. aeruginosa |
| B. | P.maltophilia |
| C. | P.syringae |
| D. | P.pseudomallei |
| Answer» D. P.pseudomallei | |
| 16. |
Pyocyanin, a blue water-soluble pigment is produced by which of the following pseudomonads? |
| A. | P.mallei |
| B. | P.syringae |
| C. | P.fluorescens |
| D. | P.aeruginosa |
| Answer» E. | |
| 17. |
Pseudomonas maltophilia is a fluorescent species. |
| A. | True |
| B. | Flase |
| Answer» C. | |
| 18. |
Pseudomonas bacteria uses which of the following as an electron acceptor for anaerobic respiration? |
| A. | Oxygen |
| B. | Nitrate |
| C. | Phosphate |
| D. | Sulphate |
| Answer» C. Phosphate | |